Virtual Landscapes of Texas - UT

http://www.lib.utexas.edu/books/landscapes/index.html   The University of Texas various geological type departments, schools, etc. have published for about a hundred years about a thousand publications about our earthen basis which have been captured here in full text with searching capacity.  The UT Library has been a partner in this process and has them on its website.  If you want the real dirt on Texas and have it diluted by water reports as well, it's merely available at the snap of a finger or a click at least.